Putty Pads
Putty Pads
Install them on every outlet box in your room to keep sound from escaping
HVAC Duct Putty
These can be used as an alternative to acoustic putty pads.
They are effective, inexpensive and readily available.
Pick them up at any Home Depot or Lowes for $3 for a 1 pound package.
Use about half a pound on each outlet.
That's only $1.50 per outlet.
It also works out to be a lot thicker and more effective than the much thinner pre-made putty pads.
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